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    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/AFF_A400_FAS8300_BATTERY_wrong_charge_WARNING
      System generates the AutoSupport alert, ‘Call home for BATTERY (wrong charge) WARNING’, in FAS8300, FAS8700, AFF-A400. KB article explains the steps to resolve this issue, based on the BMC firmware ve...System generates the AutoSupport alert, ‘Call home for BATTERY (wrong charge) WARNING’, in FAS8300, FAS8700, AFF-A400. KB article explains the steps to resolve this issue, based on the BMC firmware version.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Emergency_shutdown__Environmental_Reason_Shutdown_Battery_not_present_master_abnormal_stop_start
      Mar 12 07:26:05 BMC kernel: [2831352.560000] i2c bus 0x3: !!!!!! master-abnormal stop-start !!!!!!!!! Mar 12 07:26:06 BMC kernel: [2831353.560000] i2c i2c-3: send_receive: Timed out on i2c data Operat...Mar 12 07:26:05 BMC kernel: [2831352.560000] i2c bus 0x3: !!!!!! master-abnormal stop-start !!!!!!!!! Mar 12 07:26:06 BMC kernel: [2831353.560000] i2c i2c-3: send_receive: Timed out on i2c data Operating Mar 12 10:20:43 BMC kernel: [2841830.380000] i2c i2c-3: send_receive: Timed out on i2c data Operating SP-login: login: Mar 12 18:13:07 [node_name:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Battery not present)
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/False_alert__The_NVMEM_battery_charge_FET_is_off_To_prevent_data_loss_the_system_will_shut_down_in_24_hours
      [ClusterA-01: env_mgr: nvmem.battery.FET.off:alert]: The NVMEM battery charge FET is off. To prevent data loss, the system will shut down in 24 hours. The issue appears only during a learning cycle, v...[ClusterA-01: env_mgr: nvmem.battery.FET.off:alert]: The NVMEM battery charge FET is off. To prevent data loss, the system will shut down in 24 hours. The issue appears only during a learning cycle, verify SP event logs for the last learning cycle time stamp (beware that the SP event log tracks time in GMT only): Check the output of "system battery show" form the Service Processor to see when the latest learning cycle started
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/After_motherboard_replacement_the_PCM_fails_to_boot_with_message_the_incorrect_NVMEM_battery_is_installed
      Post motherboard (PCM) replacement of the models in the Applies to section, the following errors occur during boot: Apr 27 08:31:18 [Node1:nvmem.battery.unread:EMERGENCY]: The NVMEM battery state cann...Post motherboard (PCM) replacement of the models in the Applies to section, the following errors occur during boot: Apr 27 08:31:18 [Node1:nvmem.battery.unread:EMERGENCY]: The NVMEM battery state cannot be determined because the 'Bat Initial FCC' sensor is unreadable. WARNING: The battery is unfit to retain data during a power When the battery is ready, the boot process will Power down the system and verify that the battery is
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/False_HA_Group_Notification_BATTERY_full_charge_capacity_low_EMERGENCY_messages
      Fix false auto support battery full charge or nvmem battery full-charge capacity notification. SP-LATEST-SYSTEM-EVENT-LOG indicate learning cycle takes place at time of messages.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Node_down_after_BATTERY_wrong_charge_AutoSupport_ALERT
      Sat Dec 19 16:22:32 +0100 [CLUSTERBA-CTRLA: env_mgr: nvmem.battery.wrongCharge:alert]: The NVMEM battery charger is charging the battery even though the battery is not requesting to be charged. Sun De...Sat Dec 19 16:22:32 +0100 [CLUSTERBA-CTRLA: env_mgr: nvmem.battery.wrongCharge:alert]: The NVMEM battery charger is charging the battery even though the battery is not requesting to be charged. Sun Dec 20 15:23:38 +0100 [CLUSTERBA-CTRLA: env_mgr: nvmem.battery.wrongCharge:alert]: The NVMEM battery charger is charging the battery even though the battery is not requesting to be charged.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/monitor_shutdown_emergency_Battery_not_present_alert_messages_in_a_powered_down_cluster
      Record 342: Mon Jun 01 15:48:26.930000 2020 [IPMI.emergency]: env_mgr triggers OS halt:Battery not charging Record 402: Mon Jun 22 11:43:49.530000 2020 [IPMI.emergency]: env_mgr triggers OS halt:Batte...Record 342: Mon Jun 01 15:48:26.930000 2020 [IPMI.emergency]: env_mgr triggers OS halt:Battery not charging Record 402: Mon Jun 22 11:43:49.530000 2020 [IPMI.emergency]: env_mgr triggers OS halt:Battery not present Record 427: Mon Jun 22 12:01:30.780000 2020 [IPMI.emergency]: env_mgr triggers OS halt:Battery not present Record 538: Mon Jun 22 14:19:46.300000 2020 [IPMI.emergency]: env_mgr triggers OS halt:Battery not present
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/System_fault_LED_ON_during_NV_Battery_is_learning_cycle
      Record 124: Fri Aug 20 01:53:36.319800 2021 [IPMI.notice]: f400 | 02 | EVT: 6f08ffff | Bat_Status | Assertion Event, "Learn Cycle" Record 127: Fri Aug 20 03:24:04.490203 2021 [IPMI.notice]: f700 | 02 ...Record 124: Fri Aug 20 01:53:36.319800 2021 [IPMI.notice]: f400 | 02 | EVT: 6f08ffff | Bat_Status | Assertion Event, "Learn Cycle" Record 127: Fri Aug 20 03:24:04.490203 2021 [IPMI.notice]: f700 | 02 | EVT: 6f02ffff | Bat_Status | Assertion Event, "Fault" Record 129: Fri Aug 20 05:13:52.483000 2021 [IPMI.notice]: f900 | 02 | EVT: ef02ffff | Bat_Status | Deassertion Event, "Fault" Record 131: Fri Aug 20 05:52:20.645759 2021 [SP CLI.notice]: admin "system battery show "